use ClientDW_A
db.CompanySearch.updateMany({}, {$rename:{"CapitalIQID": "CapitalIqId"}})
db.CompanySearch.updateMany({}, {$rename:{"MainISIN":"MainIsin"}})
use ClientDW_B
db.CompanySearch.updateMany({}, {$rename:{"CapitalIQID": "CapitalIqId"}})
db.CompanySearch.updateMany({}, {$rename:{"MainISIN":"MainIsin"}})